321679953

素因数分解:

$3^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{3271}}^1$

素因数の和:3514

約数の個数: 36

約数和(自身を含む): 543099648

約数和(自身を除く): 221419695

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 223, 441, 669, 1561, 2007, 3271, 4683, 9813, 10927, 14049, 22897, 29439, 32781, 68691, 98343, 160279, 206073, 480837, 729433, 1442511, 2188299, 5106031, 6564897, 15318093, 35742217, 45954279, 107226651, 321679953]

約数ペア:

[(1, 321679953), (3, 107226651), (7, 45954279), (9, 35742217), (21, 15318093), (49, 6564897), (63, 5106031), (147, 2188299), (223, 1442511), (441, 729433), (669, 480837), (1561, 206073), (2007, 160279), (3271, 98343), (4683, 68691), (9813, 32781), (10927, 29439), (14049, 22897)]